Finding the Fourth Proportional to 438,543.05, 605,189.48 and 237,339.05
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Solution
The fourth proportional to 438,543.05, 605,189.48 and 237,339.05 is: 327,527.92
Step by Step Solution
- Step 1: Write the proportion equation
438,543.05 : 605,189.48 = 237,339.05 : x - Step 2: Convert to fraction form
438,543.05/605,189.48 = 237,339.05/x - Step 3: Cross multiply
438,543.05x = 605,189.48 × 237,339.05 - Step 4: Simplify right side
438,543.05x = 143,635,092,040.55 - Step 5: Solve for x
x = 143,635,092,040.55/438,543.05 - Step 6: Final answer
x = 327,527.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.